14
9. TROUBLESHOOTING
Symptom
Possible Cause
Remedy
No camera image dis-
played on the monitor.
Camera image is not
clear.
The color of the camera
image changes periodi-
cally.
The screen flickers
even when the Flicker-
less switch is set to
"ON."
When in night mode,
the LED infrared light
mixes with the onsc-
reen display.
After image appears
when the subject be-
comes dark at night.
Switch on the main power.
Connect the cables correctly.
Solder BNC plugs correctly.
Focus the lens.
Remove dirt on the lens or front cover.
Adjust focus correctly.
Turn the Focus adjustment switch of the
Mode setting switch to "OFF."
Turn the Focus adjustment switch of the
Mode setting switch to "OFF."
Set the shield ring correctly.
Lightly clean using a commercial camera
blower or cleaning paper.
Turn the High-sensitivity to "OFF" if the
after image is annoying and distracting.
Monitor TV's power is not switched
ON.
Cables are not correctly connected.
BNC plugs are not correctly sold-
ered.
Camera lens does not focus prop-
erly.
The lens or front cover is dirty.
Image black level of the monitor is
not correctly adjusted.
The Focus adjustment switch is set
to "ON."
The Focus adjustment switch is set
to "ON."
The shield ring around the lens is
detached or moved from its original
position.
The front cover's acrylic surface is
dirty.
Check the position of the camera's
High-sensitivity switch.
